<div style="overflow-x: hidden;">
    <div id="mapDiv" style="height:100%;width:100%"></div>
    <div id="up-map-div" style="position:absolute;z-index:9999;border:1px solid blue;background-color:#FFFFFF;top:120px;">
        <button id="searchButton">绘制矩形查询</button>
    </div>
</div>
